raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:160148

Cap polyposis

Synonyms: Cap inflammatory polyposis · Eroded polypoid hyperplasia · Inflammatory myoglandular polyps · Polypoid prolapsing folds

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adolescent, Adult, Childhood, Elderly
Status
active

A rare colorectal disease characterized by multiple inflammatory polyps that predominantly affect the rectosigmoid area and that manifests primarily as rectal bleeding with abnormal transit, constipation and diarrhea.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCap polyposisCap inflammatory polyposis · Eroded polypoid hyperplasia · Inflammatory myoglandular polyps · Polypoid prolapsing folds
frCap polyposeHyperplasie polypoïde érodée · Polype myoglandulaire inflammatoire
deKappen-PolyposeCap-Polypose · Polypen, entzündliche myoglanduläre · Polypoide Hyperplasie, erodierte
esPoliposis con capuchónHiperplasia polipoide erosionada · Pliegues polipoides prolapsados · Pliegues polipoides prolapsantes · Pólipos inflamatorios mioglandulares · Pólipos mioglandulares inflamatorios
itPoliposi a cappuccio
nlCap polyposisGeërodeerde polypoïde hyperplasie · Inflammatoire myoglandulaire poliepen · Polypoïde verzakkende vouwen
ptPolipose Cap
plPolipowatość z polipami typu "cap" (czapeczką fibrynową)Eroded polypoid hyperplasia · Polipy zapalne mięsniowo-gruczołowe · Polypoid prolapsing folds
csErodovaná polypoidní hyperplázieZánětlivé myoglandulární polypy · Prolabující polypoidní řasy
ukКовпачковий поліпозЗапальний поліпоз кришечки · Ерозована поліпозна гіперплазія · Запальні міогландулярні поліпи · Поліпоїдні складки, що випинаються
zh帽状息肉病炎性肌腺性息肉
trKapak polipozuPolipoid sarkan kıvrımlar · Cap inflamatuar polipoz · Aşınmış polipoid hiperplazi · İnflamatuar miyoglandüler polipler

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D12.6NTBTattributedvalidated
ICD-112E92.40NTBTindexvalidated
MONDO0015565Evalidated
UMLSC4303971Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families67 casesWorldwideCase(s)Validated24949613[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_24949613[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

8 annotations · validated 2016-10-17
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0200063Colorectal polyposis
Very frequent (99-80%)
HP:0002027Abdominal pain
HP:0002582Atrophic gastritis
HP:0002019Constipation
HP:0002573Hematochezia
Frequent (79-30%)
HP:0003270Abdominal distention
HP:0002014Diarrhea
HP:0001824Weight loss

Run the differential on the 5 obligate / very frequent terms

Annotation source: 23416507[PMID]_22333383[PMID]

7

Sources for this card